AGHOSTIDE.E. 339 



e. Pimiele lobod, nitlier dense, 10-lG cm. long, 

 spikelets 3.5-4 mm. long, awn straight. . . 26 



1. C. deschampsioides Triu. Ic. Gram. t. 3:354 (1836). De- 

 yeuxia deschamjisioides Vasey, Cat. Gr. U. S. 50 (1885). 



An erect slender densely tufted perennial, 15-35 em. \\\gh. 

 Sheaths close, half as long as the internodes; ligule acute, decur- 

 rent, 3 mm. long; blades involute, setaceous, those below 6-10 cm. 

 long, those of the culm 2 in number. 2-4 cm. long. Panicle thin, 

 erect, oblong or narrowly pyramidal, 4-7 cm. long, rays in sets of 

 1-3, bearing 1-3 spikelets near the tips. Spikelets blackish pur2)le, 

 elliptical, acute, about 3.5 mm. long, the bent awn projecting 1-2 

 mm. Empty glumes equal, ovate-lanceolate, obscurely nerved; 

 floral glume a little shorter, 4-tootlied, the awn attached near the 

 base, the hairs short, in two bunches, the hairy rudiment 1.5-2 

 mm. long, aside from its liairs; palea a little shorter than its 

 glume. 



California, Brewer from the summit of Carson Pass, at an alti- 

 tude of 8000 feet. 



In several parts of California at high altitudes. 



2. C. Howellii Vasey, Coult. Bot. Gaz. 6: 2ri (1881). Deyeuxia 

 Hoiuellii Vasey, Agric. Grasses U. S. 70, t. (jl (1884). 



A slender erect smooth densely tufted perennial, 30-50 cm. 

 high. Ligule 3 mm. long; blades involute-setaceous, the lower as 

 long as the culms, the others about 3 in number, 10-20 cm. long, 

 the upper often exceeding the panicle. Panicle scarcely exserted, 

 open, thin, pyramidal, 6-12 cm. long; rays slender, mostly in fives, 

 flower-bearing above the middle. Spikelets whitish green, tinged 

 with purple, lanceolate, 6-7 mm. long, bearing a twisted and bent 

 awn projecting 6-10 mm. Empty glumes subequal, membranous, 

 elliptical-lanceolate, first 1-nerved, second a little shorter, 3-nerved ; 

 floral glume about 5 mm. long, terminating in 2-4 mucronate 

 teeth, the awn inserted one-third the way from the base to the 

 apex; palea slender, but little shorter than its glume, bidentate, 

 basal hairs over half the length of the floret, hairy rudiment about 

 1.5 mm. long. 



